ARM Cortex-M3 User Manual

System Control
3-4 Copyright © 2005-2008 ARM Limited. All rights reserved. ARM DDI 0337G
Non-Confidential
Unrestricted Access
Application Interrupt/Reset Control Register Read/write 0xE000ED0C 0x00000000
System Control Register Read/write 0xE000ED10 0x00000000
Configuration Control Register Read/write 0xE000ED14 0x00000200
System Handlers 4-7 Priority Register Read/write 0xE000ED18 0x00000000
System Handlers 8-11 Priority Register Read/write 0xE000ED1C 0x00000000
System Handlers 12-15 Priority Register Read/write 0xE000ED20 0x00000000
System Handler Control and State Register Read/write 0xE000ED24 0x00000000
Configurable Fault Status Registers Read/write 0xE000ED28 0x00000000
Hard Fault Status Register Read/write 0xE000ED2C 0x00000000
Debug Fault Status Register Read/write 0xE000ED30 0x00000000
Mem Manage Address Register Read/write 0xE000ED34 Unpredictable
Bus Fault Address Register Read/write
0xE000ED38 Unpredictable
Auxiliary Fault Status Register Read/write
0xE000ED3C 0x00000000
PFR0: Processor Feature register0 Read-only 0xE000ED40 0x00000030
PFR1: Processor Feature register1 Read-only 0xE000ED44 0x00000200
DFR0: Debug Feature register0 Read-only 0xE000ED48 0x00100000
AFR0: Auxiliary Feature register0 Read-only 0xE000ED4C 0x00000000
MMFR0: Memory Model Feature register0 Read-only 0xE000ED50 0x00000030
MMFR1: Memory Model Feature register1 Read-only 0xE000ED54 0x00000000
MMFR2: Memory Model Feature register2 Read-only 0xE000ED58 0x00000000
MMFR3: Memory Model Feature register3 Read-only 0xE000ED5C 0x00000000
ISAR0: ISA Feature register0 Read-only 0xE000ED60 0x01141110
ISAR1: ISA Feature register1 Read-only 0xE000ED64 0x02111000
ISAR2: ISA Feature register2 Read-only 0xE000ED68 0x21112231
ISAR3: ISA Feature register3 Read-only 0xE000ED6C 0x01111110
Table 3-1 NVIC registers (continued)
Name of register Type Address Reset value

ARM Cortex-M3 Specifications

General

Architecture	ARMv7-M
Instruction Set	Thumb-2
Pipeline Stages	3-stage
Interrupts	Nested Vectored Interrupt Controller (NVIC)
Interrupt Controller	Nested Vectored Interrupt Controller (NVIC)
Memory Protection Unit	Optional
Power Consumption	Varies by implementation
Max Clock Speed	Up to 100 MHz
Debugging	JTAG and Serial Wire Debug (SWD)
Operating Voltage	1.8V to 3.6V
Manufacturing Process	Varies by implementation
Core Type	32-bit